Beavis: Hey, Butthead. What is a black hole? Butthead: So like, a black hole is like, this giant bunghole in outer space. It's like, it sucks up the whole universe, and then it's like, it grinds it up and sends it all to Hell or something.
Black holes. They're the most terrifying things in the known universe. They're huge masses of... well, nothing (but they do have a lot of mass); and nothing, not even light, can travel fast enough to escape them. Unfortunate items which do fall in are spaghettified (the official scientific term), stretched thin by tidal forces, the black hole ripping atom from atom, then ripping up the atoms. But that's only if you get too close. From a far enough, stable orbit, being near a black hole would just be the same as orbiting a massive star. That's invisible.Except as a silhouette against the stars.
...Unless it's fiction. Sometimes they just suck in everything around them like giant space-vacuum-cleaners, seeing as Gravity Sucks. Also, commonly, a black hole will be represented as an actual hole in space, and it's perfectly possible to enter a black hole and leave it safely. Relativistic time dilation tends to be ignored; a character voyaging into a black hole can leave it without time warping, while those outside can see things enter a black hole without slowing to a crawl. Hovering black holes are often seen as weapons. Also, if a black hole forms during the story, expect its gravity to instantly skyrocket instead of remaining the same as the star that collapsed to form it.
A subtrope of Space Is Magic. For a similar, more terrestrial example, see Do Not Touch the Funnel Cloud. When the black hole is used as a method of travel, see Our Wormholes Are Different. Very commonly used as a Negative Space Wedgie. Often involved in a Spaceship Slingshot Stunt. For actual information on black holes, see the Useful Notes article on Black Holes.
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In DieBustera giant space monster managed to absorb the black hole he was trapped in and turn it into a weapon. When the heroes destroyed him, they accidentally split the black hole in half, almost causing a new Big Bang. They managed to save the day, in a way that even one of characters admitted is beyond human's understanding.
Hilariously enough, the original series, GunBuster, was actually a lot better with this than most modern depictions: when the aforementioned black hole is spontaneously created in the midst of an enemy fleet, the animation depicting it is fairly accurate: the accretion disc is the only visible part of the thing, which otherwise looks like a giant spherical void, complete with particle discharges from the poles. And the gravitational effects of having a black hole only a few hundred AU's from Earth are touched upon. There's still the idea that an overloaded spaceship engine could create a black hole in the first place, but this series also has Inazuma Kicks, so...
Gildartz from Fairy Tail actually crushed a black hole that Bluenote made out of existence. Justified in that Gildartz, Bluenote, and all major characters are magic users.
Katekyo Hitman Reborn! has Kozato Enma, who can create stars and black holes at will as part of his Earth Flames. Tsuna can still fly past the black holes and blow it up. In addition, the black holes never affect anyone not involved in the fight; observers can stay in the same room as one and not be spaghettified; if the series used realistic black holes the whole planet Earth would be as dead as it's possible to get the instant one showed up.
InuYasha has Miroku who has a uni-directional black hole (in his palm!) which he can control by using magic beads and a strip of cloth. It's capable of absorbing any size of enemy (or object) yet won't absorb Miroku yet.
The Sailor Moon Super S movie had the titular black dream hole. Which was spherical. And the inside was apparently made of webbing.
In a 70s Green Lantern story, Oa was threatened by a black hole, apparently moving rather quickly, drawn like a two-dimensional object, and collapsed by an ancient alien, ending the threat.
In a modern DC comic, an alien drops a very small virtual (gravity but not mass) black hole before leaving the Earth. That would mean the end of the whole planet, if not for Superman grabbing it and keeping it contained in his fist until the virtual gravity ceases and the black hole dissolves. If it doesn't make any sense to you, you are welcome.
In an old Firestorm comic, a giant named Brimstone is trapped in the center of the sun, and his presence creates a black hole. Firestorm, at this point Dr. Martin Stein a lone fire elemental, closes the black hole by shoving Brimstone through it, but gets sucked up himself. He winds emerging from a White Hole in a parallel universe, and resolves to spend his time exploring the place. Comics, everybody!
The premise of Rogue Trooper depends on this - Nu Earth is situated next to a black hole through which both the Norts and Southers want to be able to send their ships.
In Final Crisis, Darkseid's fall to Earth causes it to drift toward a black hole. The Green Lantern Corps have to push their power to the limit to reach Earth in time, but manage to pull Earth away just in time. Also Darkseid apparently has a black hole where his heart should be. His very existence is actually dragging the entire Multiverse into the black hole. Fortunately for plausibility, the black hole in Darkseid's chest is justified due to him being a god and therefore above such pesky things as physics.
Towards the end of Shakara, the title character rigs the Museum of War to trap the Big Bad's soldiers that pursue him. The weapons he use are black hole bombs, each of which creates a black hole about the size of a basketball when it detonates, and immediately sucks up his pursuers.
There's a comic in Marvel Star Wars which involves the Millennium Falcon, piloted by Luke, playing chicken with a Star Destroyer and a black hole and managing, through the Force, to take subtle maneuvers at the very edge of their personal event horizon. The Star Destroyer tries to follow the maneuver and doesn't manage.
Xorn from the X-Men was very bad about this. Supposedly his head was a black hole, and the only thing keeping it in place was a strange metal helmet. The prospect of taking off his helmet was considered incredibly dangerous, nevermind the fact that it would only be dangerous to anything very close to his head. It's even worse in the Ultimate universe where he (or Zorn, it's hard to keep them apart) simply explodes into an unproportionately large black hole that magically begins to suck up everything within a few dozen miles. It gets even worse when his brother supposedly turns into the opposite of a black hole: a star* A black hole is the fate of any large star. The true opposite of a black hole would be a white hole, which would, theoretically, push away all mass..
In the case of Ultimate Xorn he represents illumination which is the opposite of a black hole's devouring of light. It represents their conflicting philosophies and not stars and black holes themselves. The visual representation of Zorn's black hole can also be attributed to the artist.
The writer who originally defined Xorn's powers did so in the context that they were entirely made up by Magneto, who was subsequently disappointed that the X-Men hadn't realised it was total nonsense.
Chester P. Runk aka Chunk, a 1990s The FlashAnti-Villain was a "Human Black Hole". He apparently had total control of whether he absorbed things, as long as he kept absorbing something. Everything he absorbed, including people who annoyed him, was sent, unharmed, to another dimension. If he didn't absorb enough material, he would "implode" ... and also end up, unharmed in the other dimension.
During Walt Simonson's run on Fantastic Four, the FF, along with The Mighty Thor and Iron Man, time-travelled to the mid 21st century where the Black Celestial had built a weapon to destroy all reality so he could recreate the universe in his image. It turns out that his weapon was Galactus; he had somehow amplified his hunger for planets to the point where Galactus converted himself into a giant black hole which would, in time, suck up all matter in the universe, from all points of time, leading to a Class X-4 Apocalypse How, possibly bordering on Class Z. As this alternate future was encased in a time bubble, Galactus was able to eliminate this time line from happening by deploying the Ultimate Nullifier.
The film Godzilla vs. Megaguirus features the Dimension Tide, an orbital satellite that fires a small black hole at the earth in order to send Godzilla into another dimension. It doesn't work. Also somehow the three black holes they create just kinda disappear from existence without much fuss or well swallowing the entire planet. They also manage to create a wormhole that opens just in time to bring back an ancient bug for Godzilla to fight and then close up without any further mention.
The 2009 Star Trek. Not only do characters travel through a black hole to another universe and another time, they escape its pull after they cross the event horizon (though they do have faster-than-light technology). What the writers really wanted was a wormhole, especially if they were just going to make up the science. It's not as if Star Trek doesn't have plenty of swirly spacetime anomalies to pick and choose from anyway, so going with the relatively well-understood phenomenon of a black hole and getting every detail about them wrong was a little jarring. This black hole is also 2D, or very flat, and surrounded by scary lightning. It is also created from a very tiny amount of mass. Worse still, the planet Vulcan is consumed by a black hole… in minutes, not the near hour it would take at a minimum; completely, rather than forming an accretion disc; and without flooding the vicinity with enough X rays to vaporize every starship around, shields or no shields. It was made with Red Matter, made by Vulcans for the purpose of creating a black hole to counteract a supernova. Forget about Accretion Disks, Event Horizons and General Relativity...things work differently when you have an intelligent alien race manufacturing black holes for their own purposes.
Disney's The Black Hole is Exactly What It Says on the Tin, including a notable accretion disk that gives it the appearance of a swirly purplish hurricane. At the end the heroes fall through the hole and emerge, evidently, in another universe. Meanwhile, the bad guys end up in hell. Good ol' NightmareFuel for the kiddies. It's actually implied that they all died. The heroes ended up in Heaven, the baddies in Hell. And apparently the robots were sentient enough to have a soul. Granted that the robots in charge of the technical duties were not robots…
Disney's Treasure Planet deals momentarily with a super nova going black hole. It's part of how they kill off Mr. Arrow (sadly, not to return). The RLS Legacy drifts partially into the emerging black hole, gets hit by the 'biggest magilla of them all', and rides the solar energy out of the black hole safely. And then there's an awesome shot of the accretion disk in the following scene. Which is... blue?
In Galaxy Quest, black holes are regularly treated as wormholes, to the point interstellar travel (by starship or sheath) is done by diving into them and coming out... uh, the other side.
The Giant Spider Invasion has the eponymous beasties arrive through a black hole that landed in a farmer's field. Without anything being sucked into it, natch. At the climax of the movie the black hole is saturated with neutrons and apparently neutralized, which causes all the spiders to burst into flames and ooze ice cream. Yes, it's a very bad movie.
Event Horizon. The titular spacecraft featured both "normal-space" engines and the "Hell-Drive". The former was a (horrendously misnamed) "Ion Drive". The latter used an ''artificial black hole" to do a gravity-based spacewarp that apparently takes you straight through the Warp.
2006 Sci Fi Channel film The Black Hole has one randomly open up in the middle of St. Louis, the protagonists have been messing around with physics is the only explanation.
The Dark Elves in Thor: The Dark World use small grenades that generate black holes, though the effect is very localized: Malekith tosses one at Odin's throne and the grenade destroys just the throne, not a spherical area centered on it.
In the New Jedi Order series, the Yuuzhan Vong ships actually created tiny black holes as shields (they exist just long enough to absorb incoming ordnance, then collapse). Even assuming you could do that, when you collapsed the singularity the destroyed ordnance would burst out as pure energy (which would be an enormously bigger explosion than whatever the weapon could have caused normally). The same creature/components that do this also propel the ships.
The Maw is a massive cluster of black holes. Theories abound that it was constructed, like a number of other unlikely celestial objects in the galaxy, to have been built by Sufficiently Advanced Aliens. The Fate of the Jedi series reveals that the Maw was made by the Killik using Centerpoint Station, that its purpose was as a prison for an Eldritch Abomination, and that destroying Centerpoint station opened a gap in the prison.
In "Masque of the Red Shift" Johann Karlsen takes a lifeboat into a black hole to lure a berserker ship to its doom.
In "The Temple of Mars" it turns out Karlsen went into orbit around the black hole within the event horizon, and in "The Face of the Deep" he's rescued from the black hole.
Joe Haldeman's novel The Forever War. Starships are able to travel hundreds of light years at a time by diving into collapsars (black holes). This is justified because Haldeman just made up the word "collapsars" to fit his book and then it suddenly became a real word to describe a type of black hole. Haldeman also has his characters suffer from time dilation due to traveling at relativistic speeds - the problems caused by this are part of why it's The Forever War.
Alan Dean Foster's Humanx Commonwealth series generally treats black holes seriously, but there's a rather odd bit of pseudoscience in The End of the Matter, where a galaxy-sized "collapsar" (term likely borrowed from Haldeman) is neutralized by juxtaposing it with a similarly massive "expandar", or white hole, composed entirely of antimatter. Their respective gravitational fields suck material out of each other and mutually annihilate it. How this works is anyone's guess.
The long-out-of-print novel Earth Ship and Star Song posits an FTL drive which involves creating a black hole around your ship to fling you into hyperspace (or whatever), then creating another black hole while you're inside the first one. The second black hole supposedly "eats" the first one and pops you back out into normal space. Um... yeah.
One of the Red Dwarf novels had an arc in which the crew encountered a black hole. Whether it's handled realistically or not is... really up to you: Its effect on time is addressed by the narrator (as well as causing numerous problems for ship computer Holly, what with his components being in different weeks), and the Talkie Toaster (really) describes the process of spaghettification. However, they then proceed to use the event horizon to slingshot out of the black hole. And find out quite quickly from Lister, who was left on a nearby planet, that the entire maneuver took decades.
Though the process of spaghettification was a tad off. According to the models that physicists use, objects that fall into a black hole are stretched to the point where they become an immensely long strand of matter one atom thick leading down to the singularity. Somehow Grant and Naylor managed to make spaghettification much more terrifying by instead having people aboard the ship turn into multiple strands of spaghetti that plopped on the floor and started mixing with each other. This can be chalked up to Rule of Funny, though.
In The Magicians, Josh can produce what he identifies as a black hole. Cartoonily, his target gazes stupidly at the hole for a second before getting sucked in. In the book's world, no wizard really understands how magic works...
Averted in The Planck Dive, by Greg Egan, which describes what it would be like to fall into a black hole (assuming you could survive).
Animorphs: The Ellimist Chronicles - Originally a winged alien who became the Last of His Kind, the Ellimist accidentally falls into a black hole and becomes one with the fabric of space and time, effectively becoming a god capable of bending the laws of reality such as changing the rotation of a prehistoric Earth to preserve future humanity from his alien enemy, Crayak. Then Crayak duplicates this feat and also becomes a god, battling the Ellimist for all eternity. In that case, that means ANYONE who ever falls into a black hole would become as powerful as the Ellimist and Crayak. In real life, while a person could break down and become one with the singularity (center) of a black hole, they would first be ripped apart by the gravitational forces of the event horizon. Getting pulled apart and broken down to the point that even your atoms will be split apart would mean you would have no sentience to merge your consciousness with space and time as the Ellimist and Crayak did, due to a phenomenon currently known to science as dyinghorribly.
It's never made exactly clear how the Ellimist reacted in that way, and it is strongly insinuated to have something to do with the fact that he was practically a god already. Crayak was there when the Ellimist "died;" he later figured out what happened and duplicated it. As the Ellimist put it "The chances of it happening once were astronomical. The chances of it happening twice were inevitable."
It should also be observed that only part of the Ellimist, who as mentioned above was already advanced to quasi-literal godhood, that was sucked into the black hole. It was the experience of being crushed into atoms and still sentient that helped him achieve the jump to the space-time fabric realm.
Its also worth noting that when he crossed into the black hole he also existed in z-space and normal space, between his advanced sensors and scientific knowledge it probably made it possible for him to realize enough about the universe to do what he did.
Interestingly, in The Andalite Chronicles also has the protagonist get sucked into a black hole, though he manages to escape using the Time Matrix.
In the Star TrekExpanded Universe novel Star Trek: Federation, both Kirk's and Picard's Enterprises enter something called a "subspace" black hole, which consists of three singularities orbiting each other at warp speed. Apparently, anything that enters it from any time period appears to exist there simultaneously, allowing the ships to meet. Kirk's Enterprise passes Zefram Cochrane's shuttle to Picard's ship, and both ships exit at their respective "time zones".
Lampshaded a bit in that Spock tells Kirk "I cannot pretend to understand how such a thing could possibly exist."
In the novelization of E.T. the Extra-Terrestrial by William Kotzwinkle, the eponymous alien is concerned that the higher gravity of Earth will cause his body to collapse into a black hole, which will then, in turn, swallow the earth and nearby planets. E.T. can safely be assured this is impossible. Justified in that, although E.T.'s species is probably advanced enough to know better, E.T. himself is a botanist. In any event, he is delirious and disoriented at the time.
Patrick Moore's Scott Saunders Space Adventure novels are generally on the harder side of the sci-fi scale. However, in the novel Secret of the Black Hole the eponymous artificial black hole was at one point described as being "at most an inch" in diameter. A black hole of such size would have greater mass than Earth, yet the hole was still orbiting the Earth, rather than vice versa. The novel was written in the 1970s, when black holes were even less well understood than now.
Timothy Zahn's Spinneret novel has an alien stardrive which is instantaneous, but made a lot less useful than one would think by the fact that it can only link together places in space where the gravitational fields from two nearby black holes cross. The ship flies right between the black holes and is somehow catapulted to its destination.
Christopher Stasheff's novel The Haunted Wizard has Matthew Mantrell order Maxwell's demon to create a quantum black hole (despite it having been proven impossible) and "drag it around the battlefield."
Star Trek: Voyager has the eponymous vessel, in its second episode enter a hole's event horizon, get trapped there, and then use a photon torpedo to "rip" a hole in said horizon in order to escape. For those who don't know, the event horizon is not a physical barrier, it's just a mathematical distance from the center of the black hole, and thus rather impossible to rip a hole in.
Stargate SG-1: The show both uses and partially averts this trope on a couple of occasions.
In "A Matter of Time," the Stargate connects to a planet falling into a black hole; the fact that time slows down near a black hole is used both as a plot point and for dramatic effect. The heroes must watch an unfortunate SG team on the doomed planet try to reach the gate - they keep running, but can never reach safety as time slows to a crawl for them, and the 38 minutes the gate can stay open passes in under a second.
The science involved is surprisingly well informed, if ultimately not perfectly executed. A video feed from near the black hole is redshifted. Time slows down near the black hole (albeit not quite in accordance with general relativity). The difference between special and general relativity even gets a nod.
In "The New Order," the evil Replicators use a black hole's distortion of time and some Applied Phlebotinum to escape from its accretion disk (at least it was made clear they weren't trapped in the black hole itself!) As with everything in Stargate, moderately plausible science is liberally mixed with Rule of Cool, and black holes get to interact with Stargates (and nuclear weapons) in lots of interesting ways.
In "The Pegasus Project," the team combines a Stargate, Explodium, Technobabble, and a black hole to dial the Supergate and keep the Ori out of the Milky Way. Points for McKay telling Mitchell that it's not the black hole he's looking at, it's the accretion disk. Not that Mitchell cares.
Sam: "The singularity is about to explode"? Martin Lloyd: Yes? Sam: Everything about that statement is wrong.
In Buck Rogers in the 25th Century, a 2 part episode "Flight of the War Witch" has Buck and friends navigating a path through a "collapsar" to help people in another universe.
Red Dwarf once featured a "White Hole," which supposedly spewed out all the matter black holes sucked up…and the time too, which doesn't make a lick of sense. At the very least, you'd think it'd be physically impossible to drift into one.
You actually cannot enter a white hole, just like you cannot leave a black hole.
As of this writing, physics would allow such a "White Hole" to continue to exist if it were to come into existence. That phrasing is very specific: it would be impossible for one to form in the first place.
The pilot episode of Andromeda did quite well in averting this trope until the very end, when they escaped using "Nova Bombs" to turn the black hole into a white hole. Then again, the Nova Bombs are never actually explained fully, only that they do some sort of magically scientific stuff to planets and/or stars, and their use on the black hole was a case of "What do we have to lose?" This is, after all, the same universe that has singularity cannons as semi-rare but completely viable technology, so super-future humans don't so much understand the laws of physics as have them written in pencil for whenever they feel like changing the rules.
On Heroes, a minor character named Stephen Canfield has the power to make Unrealistic Black Holes with his mind. He eventually kills himself by creating one and being sucked inside it.
The Doctor Who episode "The Impossible Planet" features a planet in a stable orbit around a black hole; in the show the orbit is only maintained due to the expenditure of great amounts of energy to cancel out the gravity of the black hole. In reality, objects can orbit black holes just as easily as they can orbit any other massive object.
Considering the planet was a cage for Satan, and proceeds to lose its orbit once his cell is opened, killing the Beast...
If the planet was actually well inside the event horizon, and only protected by the gravity-cancelling tech, this would be closer to reality, including the narrow "funnel" of space allowing access to and from the planet.
Almost - anything inside the event horizon will end up inside the singularity, regardless of what you do to it, but there is a point close to the black hole where you are still outside the event horizon but you can't maintain a stable orbit, at least not without huge amounts of energy involved.
Of course there's the black hole at the center of the TARDIS that acts as its power source.
In The Big Bang Theory, Stephen Hawking makes a joke to humiliate Sheldon, asking what he and black holes have in common. The punchline is "They both suck". Of course, this IS Stephen Hawking talking, so it's obvious he's just making a joke at the expense of one of his biggest (and definitely his most obnoxious) fans.
Space: 1999. Moonbase Alpha discovers a "black sun" in it's path, but ends up passing safely through it and out the white hole on the other side, thanks to the intervention of a Sufficiently Advanced Alien.
Rush sends the Rocinante on a trip through one of these in the songs that make up 'Cygnus X-1'. 'Book 1' from 'A Farewell to Kings' has the ship flying in; it comes out halfway through 'Book 2' from 'Hemispheres'.
The Far Side: Suddenly, through forces not yet clearly understood, Darren Belsky's apartment became the center of a new black hole.
Space Cadet has a kickout called "Black Hole" (oddly enough, it's white). There's also a mission named "Black Hole Mission" where you've to lit all the engine lights and send the ball to the "black hole". When you accomplish it, you get the message "Black Hole eliminated".
Unsurprisingly, Black Hole has one of these. You enter it for multiball.
Exalted has one in the form of the Yozi Isidoros, the Black Boar that Twists the Skies, who is a sapient, boar shaped black hole who serves as the cosmic embodiment of unstoppable force and Heroic willpower.
The Dungeons & Dragons RPG has the "Sphere of Annihilation" which the Spelljammer suppliment implies is the corpse of a stellar dragon. The giant living spaceship, Spelljammer, generates larger versions of the sphere as a weapon against other ships.
According to the plans shown in the Long-Fall Boot video, the dual portal device from Portal contains a miniature black hole. As well as two miniature German potato-masher grenades intended to restart the black hole if it should evaporate, and a circular slide rule to determine how far away you should run if the black hole starts expanding. You have to take the portal gun apart to get to it. We should note here that the person who explains this is Aperture CEO Cave Johnson, and as he is known to be a blithering idiot this may not actually be the case.
In Go Beryllium, you have to dodge Hawking radiation until the thing evaporates. It's the size of an atom, but then again, so are you...
Mega Man gets the Black Hole Bomb in 9. If those were real black holes, then Earth would get destroyed.
Saturn in the Game BoyMega Man V provides the Black Hole weapon. It forms above Mega Man's head, sucks in weak enemies, and then spits out debris.
Mega Man X8 has the Squeeze Bomb weapon, obtainable from Gravity Antonion, who has gravity itself at his command. It creates a slowly-moving black hole that pulls in smaller enemies and can break through crystals, especially those created by Earthrock Trilobite.
The Gravity Well weapon is obtained in X3 from Gravity Beetle. The normal shot makes a localized high-gravity area to crush enemies, while the charged version launches a more powerful version off the top of the screen and is strong enough to drag enemies away.
Mega Man Star Force 3: Black Ace has an exclusive card called Black End Galaxy, only usable as Black Ace. It involves creating a black hole where the enemy is, then quickly slicing through it, causing the black hole and enemy inside to blow up.
In Unreal Tournament 2004, one of the more interesting weapons of the Chaos UT mod is a "Gravity Vortex". Any players nearby are sucked into it and will die, regardless of health, and armor. The unrealistic part is it does not affect any ammunition shot near the vortex.
Super Mario Galaxy. Bowser's plans go bust, one of his stars collapses and turns into a black hole, universe gets sucked in? Disregarding the fact that it's actually possible to fight inside said star without dying painfully, black holes... just don't work that way. The reason no one thought of this while playing the game was the fact that it's completely freaking awesome.
The black holes that function as bottomless pits for each level. There are only two realistic things to them: they suck and they red-shift.
In the sequel, Bowser somehow manages to top himself by roaring a black hole to existence for the final battle. After taking enough punishment, he admits defeat and is swallowed by the black hole, closing it. Not to worry, though, Bowser shows up again in the credits, and he's tiny! (and mad!)
While we're on the subject, The Void is somewhat of a subversion: It eventually sucks up everything in the multiverse. Black holes aren't interdimensional, and they aren't cosmic vacuums; they just suck up anything that's too close. Also, there's a castle in it.
The blackholes in Spore. They're covered in lightning, you can fly right up to them and, with the right upgrade, through them and out another black hole. Another wormhole confusion example.
Bacchus' Black Hole Sphere in Star Ocean The Last Hope. A black hole that inexplicably appears directly in the path of the ship mid-warp, sucks it in and spits it out in an alternate universe, completely intact.
You can create a black hole in Scribblenauts. It sucks in everything within a certain radius and destroys anything that touches it. And it evaporates after a few seconds. That's actually fairly realistic, if you're willing to fudge the masses and timescales by several orders of magnitude. Although it really should evaporate in a very loud BANG, to be strictly accurate. And in the sequel, spawning a black hole causes it to suck up any nearby objects for a few seconds. When the few seconds are up, it expands and consumes the entire stage, protagonist included. And it cannot be removed once spawned.
Mario & Luigi: Bowser's Inside Story has them in a few boss battles. In one, it's the result of the Dark Star's defeat and does huge damage if you don't mash A and B to make Mario and Luigi run away, while in the final Giant Bowser battle, the mech form of Princess Peach's Castle has a cannon that fires them, with you having to keep sliding the stylus across the touch screen to make Bowser launch himself back out of them when caught (and the final part of the battle has both sides stuck in black holes on different sides of the arena).
Bomberman 64 The Second Attack. Where to begin. The big bad uses one to suck in planets and store his army and sustains it with gravity generators located on captured planets INSIDE the black hole and his interstellar warship (also inside the black hole). Then there's Bulzeeb. He attacks with black hole bombs which are, as you may have guessed, bombs that create a large (compared to most explosions in the game) black hole upon detonation. The black hole only compresses anything in its blast radius that's not the ground. And apparently Bulzeeb's armor is black hole proof since he can enter the black hole without being compressed or harmed. To give the game credit, at least they show death by compression into a singularity when it does hit you.
The Geometry Wars games feature Gravity Wells, a semi-sentient enemy that drifts benignly towards you, doing absolutely nothing. If attacked, it burns brightly, and starts drawing in everything nearby (to add to their mass), sometimes allowing them to orbit it. The gravity increases with the size of the Well. The only way to end the Wells is to shoot them to chip their mass away. And the gravity multiplies if multiple Gravity Wells are allowed to try to engulf each other (they just dance around each other), to the point your craft cannot escape the pull. Oddly, Gravity Wells will split and repel your firepower, meaning you have to draw close, shoot, and use the gravity to slingshot yourself to safety.
In the Interactive Fiction game Gateway II: Homeworld (loosely based on Frederik Pohl's Heechee Saga), the Heechee have hidden away from the Assassinsinside a black hole. The only way to get through it is with a specially-modified Heechee ship that can survive entering a singularity. The game even goes so far as to describe the devices that allow that to happen.
In Star Trek: Armada, black holes are just background objects, unless a ship's engines are disabled. Then they start to fall in and can be destroyed. No time dilation though.
In Conquest Frontier Wars, black holes suck in ships that get too close and may either destroy them or throw them to the other edge of the map. Must be one big slingshot. Used as a plot point in the campaign.
In Haegemonia: Legions of Iron, black holes are giant shiny funnels in space that sound like a twister. Getting close to then is not recommended. They show up rarely though.
And when they do, they continuously damage every ship in a large radius (probably because real-life black holes are major radiation hazards). In the only campaign mission where one shows up, the player's second in command warns that "our larger ships are already having trouble keeping themselves away from it". What is unrealistic is that there is a pair of nebulae barely a single AU away from the black hole; how they managed to avoid being sucked in is a mystery. Another unrealism is the fact that the accretion disc is VERY fast when it should be very slow due to relativistic time dilation.
The End of the World level of Sonic the Hedgehog (2006) features black and purple spheres that suck everything towards them and kill you if you touch them. They also resemble the Eye of Sauron!
Star Fox has the black hole level which is the loop of wandering in a space junkyard filled with boxes and broken Arwings floating around until you find one of the three warp spots which sends you somewhere else.
One is created after the defeat of the final boss in Sonic Colors. The final level is Sonic trying to escape it. He fails around the 31 second mark.
StarCraft II has this as a protoss ability. It hovers above the ground, sucking in grid lines and mathematical formulae, and everything within range is stretched out and pulled in... until the black hole finally explodes and the units emerge unharmed. In fact, when one is used on your army, the correct strategy is to order all your other units into the black hole as well so the enemy cannot easily destroy them while your main force is gone. As a bit of further explanation how this odd effect came about, the original revealed Black Hole ability did in fact destroy the units. However, it was probably changed for balance reasons (and renamed to Vortex), but the graphics were not changed.
In the Touhou fighting game Immaterial and Missing Power, boss Suika Ibuki creates black holes using her ability to manipulate density. They can draw in the player character but do not damage the terrain and are not instantly lethal.
In the Mass Effect series, the Blackstorm Projector is colloquially called the "black-hole gun" (and the nickname was Played for Laughs in the Gamestop advert for it), but it in fact fires a particle encased in a high-powered mass effect field, which elevates it to colossal mass, thus creating a gravitational singularity. Also, the Singularity biotic power which does not actually suck in enemies but causes them to levitate and slowly orbit the object. It has no effect on anything else and can safely be thrown at one's own feet.
The Nazi Zombies mini-game of Black Ops has a small hand-held device* Named the Gersch Device that when you press a few buttons and throw it the device generates a small black hole which sucks in all nearby zombies and which closes within a short period of time. Realistically the entire facility the character was on would have been sucked into the black hole if it were anything like a real one. What makes it even stranger is that the creator of the device notes that it was meant to be a portable teleporter which is proven if the player decides to jump into the black hole as it will teleport them to a random part of the map, so this makes you wonder why it acts as a destructive black hole on the zombies but only functions as if it were a worm hole if you touched it.
X-COM Interceptor has semi-realistic black holes that can adversely affect travel on the interstellar map. They can suck in probes (and do so from a surprising distance away) and ships traveling near them are slowed by a significant amount as they try to escape the event horizon. The plot itself is set off by the discovery of an intercepted alien message that shows massive fleets flying into a black hole. It's initially suspected this is some kind of bizarre disposal method, but eventually it's discovered that the aliens have figured out a way to turn black holes into wormholes to a Pocket Dimension where they are building an indestructible superweapon. The rest of the game turns into a race against time to find a way to counter the superweapon.
In Sheep, Dog 'n' Wolf, you encounter these during the last level. They start sucking you in as soon as you get close, and you can die if you let them actually suck you in. However, you can easily get away from them by just air-swimming in an opposite direction. They are actually necessary to get back to the ground in the Gravity Screw section.
At the end of Space Quest III, Roger Wilco's ship is sucked into "Black Hole Bertha" and sent into a parallel universe (or perhaps the same universe, but farther back in time) to wind up on Earth in 1989 at the Sierra offices. No physical harm is done to Roger or the Two Guys from Andromeda.
And when the 4th game begins, he seems to have gone back through the black hole to the planet Magmetheus.
Putty has a black hole that tries to suck up Bots. The player character can mold itself into it, and use it to get rid of a pesky Flying Saucer.
In Katamari, this is Discussed when Odeko calls a rip in space a 'black hole'. Ichigo protests, saying their brainiac should know better; he clarifies that this isn't a 'black hole', but a 'hole that is black':
Odeko: An opening to a completely dark space where the absence of hue would draw in any nearby color. You know. Science.
SF Debris lambastes Star Trek: Voyager's version of this from "Parallax" in his review, noting that saying you can escape a black hole's event horizon by punching a hole in it is like saying you can punch a hole in the range you can travel on a tank of gas and therefore go further.
In Transformers, there have been two major black hole occurrences, both falling squarely in this territory:
In Transformers Generation 1, a black hole sucks in two ships: one that the good guys and bad guys are on, and one to get sucked in before it just to show us the threat is real. That other ship went 'kaboom' before entering. There's plenty of "Oh, noes, we're gonna get squishificated!" talk. And then they go in and... wind up in a color-inverted universe. And rather easily escape.
In Transformers Cybertron, the entire plot revolves around the black hole created by the destruction of Unicron. It had many space and time-bending effects throughout the universe (and the multiverse, if we take All There in the Manual into account.) When you throw dark gods into the mix, you expect it to be a bit different from the mundane version...
And part of this is a dub induced fix. In Galaxy Force (the original Japanese version), the black hole sucked up Cybertron in the first episode. They later somehow get the planet back out, whole and undamaged. The implication being they landed on the surface and activated the MacGuffin du jour to do so, how did they not all die of horrible gravitational tearing and vaporization?
Averted in the Futurama episode "A Flight to Remember". Bender still has some hope that his love interest, after falling through a black hole, may happen to just reappear safe somewhere else. Prof. Farnsworth, however, being both Genre Savvy and a brilliant scientist, after reassuring him by confirming his hypothesis, brutally explains to the others (with an eloquent gesture) that she's dead and gone. And played straight with the black hole itself being depicted as a highly-visible, blue-ish vortex.
One episode of Justice League Unlimited had a scientist who grew a black hole in his stomach. By the end of the episode, Booster Gold is able to release everything that had been sucked in, completely unharmed.
One episode of the Super Friends had Wonder Woman, Hawkman and Black Vulcan trapped on an artificial play world built by The Toyman in the center of a black hole (no, they don't explain how he was able to do this). Aside from not being able to escape the black hole the heroes walk, run, jump and otherwise move perfectly fine. At the end Superman and Green Lantern fuse into one being to tear a hole in the black hole and allow the others to escape.
The power of the main villain in LEGO's Hero Factory is creating black holes, using a staff. As if the writer was aiming to play this trope straight as best as she could, they are actual holes you can jump into, and... cling onto their inner "walls". Even though the wall was intangible and characters simply floated through them in the previous scene. Their sucking power is so immense, they pull the weapons out of the Heroes' hands, but inside, you can freely jump around from wall to wall without falling deeper into it. Another interesting thing is that if you jump upwards into it, you end up on its wall, but if you climb out of it upwards, you will fall out downwards through its "bottom". How can these black holes be neutralized? By throwing anti-gravity flying devices into them.
Hero Factory's predecessor BIONICLE also played with this. When Nuhvok-Kal, the Bohrok-Kal of Gravity got too powerful for its own good, it turned into a miniature black hole. It didn't suck in anything else, in fact it was never described further. We have to assume the black hole simply evaporated.
Megas XLR had Coop create a black hole once to defeat a villain, while still in New Jersey. How does Coop get rid of it? By creating another black hole and the two somehow cancel each other out.
This is slightlyHandWaved by the fact that it was called a "matter-antimatter rift", though the intent was there. A more straight example was in the second episode, when Magnanimous threatened to throw Kiva and Jamie into a "Quantum Singularity", described as a "black hole, but portable and with a cooler name." It was roped off to prevent things from getting sucked in, and the only thing to be so unfortunate (Magnanimous himself) eventually escaped largely unharmed, save a scar he got fighting an Eldritch Abomination within it. Additionally, Magnanimous was only sucked in because he touched the Event Horizon, which made the whole space station blow up.
The Tick once battled a race of aliens who planned on destroying the universe by throwing a black hole into ANOTHER black hole. The Tick, being the Tick, ended up having to catch one and throw it away from the other.
Tick: Must ... defy ... laws of ... physics! Arthur: Fight it, Tick! Fight that black hole!
"John Blackstar, astronaut, is swept through a black hole, into an ancient, alien universe!"
Johnny Sunspot from Super Robot Monkey Team Hyperforce Go!, and one of many black holes he creates using only his Tricked Out Gloves (which don't really look tricked out). They only pull in who or what he wants them to pull in, and he can decide whether the person or object will be released... or sent into oblivion.
Dogstar: In "Rockin' in the Flea World", the Dogstar is nearly sucked into a black hole. It is depicted as a giant black sphere hanging in space.
Spider-Man: The Animated Series: Averted in the case of the portals created by The Spot. Even though they are described in numerous instances to look like black holes, Dr. Connors explains that they lack the supergravity of their "big brothers", making them different.
During Albert Einstein's fight with Chyna on Celebrity Deathmatch, Einstein fills a normal blender with negative hydrogen ions to create a black hole. Chyna holds onto the ropes as the hole sucks in one of her arms. Einstein then turns off the blender and the black hole disappears.
A lot of fears about the Large Hadron Collider are really fears that Unrealistic Black Holes reflect reality. Twopapers have been written which concern this issue.
Hawking radiation. If it's true, black holes would emit radiation when their temperatures were higher than that of the environment (i.e.: the one of the cosmic microwave background), shrinking in size and mass and emitting more and more energetic radiation to the point that during their final moments, they'd seem to shine.
Given that modern physics have trouble to describe aspects of black holes like the existence of a singularity with infinite density and temperature in their centers, other alternatives like Fuzzballs have been suggested. In this case, a black hole would be a conglomerate of strings (no, not those ones) and everything fallen there would be disassembled into its component strings that would become part of the black hole.
Here's a cool video simulating the fall into a black hole followed by the pass through a wormhole to finally arrive to another universe.
What makes it unrealistic is that it's an idealized black hole that nothing has fallen into before, including the star that made it. Any real black hole would vaporize you if you tried to do that because radiation that preceded you into it would hit you all at once, infinitely blueshifted. The black hole in the video is also infinitely old, produces no Hawking radiation, and electrically charged but not rotating. And any matter actually passing through the wormhole would cause a mass inflation instability. This other video by the same author shows a similar view but with gas clouds swirling around the black hole.